A

ACT

Activating (Arming) Switch

Adjustable Function Rate (AFR)

Adjustable Travel Volume (ATV)

Adverse Yaw

Aerodynamics

Aerobatic/ 3D Plane

Ailerons

Aileron Extension

Aileron/Rudder Mixing

Air Bleed Screw

Airfoil

AM (Amplitude Modulation)

AM (Amplitude Modulation)

AMA

Angle of Attack (AOA)

Anhedral

Antenna

ARF (Almost Ready to Fly)

ARR (Almost Ready to Run)

ATS (Automatic Tail System)

Autorotation

Axis

B

Backplate Cover

Ballast

Balsa

Battery Cycling

Battery Meter

BB

Bush Planes (Bush Flying)

C

CA (Cyanoacrylate)

Capacity

Carb/Carburetor

CC

Center Line

Center of Gravity (CG)

CF

Ch (Channels)

Chicken Stick

Clevis

Clunk

Collective Pitch

Constant Drive Tail

Control Horn

Control Surfaces

Control Stick

Covering

Crankcase

Critical Angle of Attack

Crow Mixing

Crucifix Tail

Crystal

CV

CVA

CVD

Cylinder/Cyl

D

dB

DC

Dead Stick

Discharge Rate (C)

Differential/Diff

Differential Ailerons

Dihedral

Direction of Flight

Dual Aileron Extension (Y-Harness)

Dual Conversion

Dual Rates (D/R)

E

EDF (Electric Ducted Fan)

Electric Starter

Electrolyte

Elevator

Elevator Mixing (Elevon)

Elevator/Flap Mixing

EP

EPA (End Point Adjustment)

Electronic Speed Control (ESC)

Empennage

Epoxy

Expanded Scale Voltmeter (ESV)

Exponential Rate

F

Fail-Safe (FS)

Fin

Fixed-Wing

Flaperon Mixing

Flat Bottom

Flex Cable

Flight Box

Flight Pack or Airborne Pack

Flying Stab

Floatplanes

FM (Frequency Modulation)

Foam Rubber

FPV (First Person View)

Frequency Flag

Fuel Bulb

Fuel Overflow Line

Fuel Pickup Line

Fuselage

G

GHz

Gimbal (or Stick)

Gliders

Glide Ratio

Glow Plug Clip/Battery

H

Harness

HD

Head

Heli

High Wing

Hinge

Horizontal Stabilizer

Hovering Pitch

Hovering Throttle

HV

J

Jets

K

KV (Kilovolt)

L

L/D

Landing Gear

Leading Edge

LiPo

M

mAh (Milliamp Hour)

MHz

Minimum Sink

Mode 1

Mode 2

Mounting Lug

Muffler

N

Needle Valve

NiCd / NiCad

NiMH

Nitro

Noise Trap

NORRCA

Nose Gear

NPS (Non-Pull Start)

P

PCM

Peak Detection

Pitch

Pitch Axis

PNP (Plug & Play)

Polyhedral

Prop shaft (Propeller shaft)

PS (Pull Start)

Pushrod

Pushrod Connectors

R

Receiver (RX)

Relative Wind

ROAR (Remotely Operated Auto Racing)

Roll

Roll Axis

RTF (Ready to Fly)

RTR (Ready to Run)

Rudder

S

Scale Planes

Servo (Sx)

Servo Control Arms

Servo Output Arm

SFG (Side Force Generator)

Slipper Clutch

Snap Roll Button

Spinner

Spoiler

Sport Plane

Stabilizer

Stall

Sub Trim

Symmetrical Wing/Airfoil

T

Tachometer

Telemetry

Thermals

Thread Locker

Throttle Stop Screw

Tow-hook

Trainer Airplane

Transmitter (TX)

Trim Lever

U

Under-camber

V

V-Tail

V-Tail Mixing

Variable Trace Rate (VTR)

Vertical Stabilizer

VPP (Variable Pitch Propeller)

W

Warbirds

Wheel Collar

Wing Area

Wing Chord

Wing Loading

Wing Seating Tape

Wingspan

Wing Tip

Wing Tip

X

Xtal

Y

Yaw

Yaw Axis

Z

Z-Bend

Z-Bend Pliers